解决：perl: warning: Please check that your locale settings

问题：

perl: warning: Setting locale failed.

perl: warning: Please check that your locale settings:

	LANGUAGE = (unset),

	LC_ALL = (unset),

	LC_CTYPE = "zh_CN.UTF-8",

	LC_TERMINAL_VERSION = "3.3.3beta2",

	LC_TERMINAL = "iTerm2",

	LANG = "en_US.utf8"

    are supported and installed on your system.

方法

export LC_ALL=C